Gun holster



FIG. 1 is a perspective view of a gun holster showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings represent portions of the gun holster that form no part of the claim design. 

CLAIM The ornamental design for a gun holster, as shown and described. 